Tractorpedia.com

Wallis 12-20

Wallis 12-20 tractor
View Images
The Wallis 12-20 is a standard-tread farm tractor produced from 1929 to 1932 by Wallis, a part of Massey-Harris, built in Racine, Wisconsin, USA. It features a Wallis 4.1L 4-cylinder liquid-cooled gasoline engine with a displacement of 248 ci (4.1 L), rated at 1000 RPM and started by hand-crank. The tractor has a 3-speed gear transmission with dry disc clutch, two-wheel drive, and manual steering with an open operator station. It delivers a claimed drawbar power of 12 hp and belt power of 20 hp, with tested drawbar and belt powers of 18.07 hp and 24.16 hp respectively. The tractor weighs 3455 lbs (1567 kg) and has dimensions of 121 inches length, 55 inches width, and 51 inches height. Tires are steel with sizes 28x5 front and 44x10 rear. The belt pulley diameter is 17 inches with a width of 6 inches, running at 540 RPM and a speed of 2400 ft/min.
Wallis 12-20Wallis tractor12-20 tractor specsfarm tractorMassey-Harris1929 tractor1930s tractortractor enginetractor transmissiontractor dimensions
Power22 hp[B]
Founded1929 - 1932
Model12-20

Technical Specifications

Detailed specifications and technical data for Wallis 12-20

Power

Plows:2
Belt (tested):24.16 hp (18.0 kW)
Belt (claimed):20 hp (14.9 kW)
Drawbar (tested):18.07 hp (13.5 kW)
Drawbar (claimed):12 hp (8.9 kW)

Tires

Rear tire:44x10 (steel)
Front tire:28x5 (steel)

Engine

Aux. fuel:1.75 gal (6.6 L)
Fuel tank:15 gal (56.8 L)
Rated RPM:1000
Bore/Stroke:3.875x5.25 inches (98 x 133 mm)
Displacement:248 ci (4.1 L)
Engine model:Wallis 4.1L 4-cyl gasoline
Starter type:hand-crank

Dimensions

Width:55 inches (139 cm)
Height:51 inches (129 cm)
Length:121 inches (307 cm)
Weight:3455 lbs (1567 kg)
Wheelbase:78 inches (198 cm)

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Standard-tread tractor
Built in:Racine, Wisconsin, USA
Years produced:1929 - 1932

Belt Pulley

RPM:540
Speed:2400 ft/min (731.52 meters/min)
Width:6 inches (15 cm)
Diameter:17 inches (43 cm)

Transmission

Type:gear
Gears:3 forward and 1 reverse
Clutch:dry disc

Related Models

Wallis 20-30

Model:20-30